From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- dom/media/systemservices/VideoFrameUtils.h | 48 ++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 dom/media/systemservices/VideoFrameUtils.h (limited to 'dom/media/systemservices/VideoFrameUtils.h') diff --git a/dom/media/systemservices/VideoFrameUtils.h b/dom/media/systemservices/VideoFrameUtils.h new file mode 100644 index 0000000000..23ebf4f316 --- /dev/null +++ b/dom/media/systemservices/VideoFrameUtils.h @@ -0,0 +1,48 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set sw=2 ts=8 et ft=cpp : */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_VideoFrameUtil_h +#define mozilla_VideoFrameUtil_h + +#include "mozilla/camera/PCameras.h" + +namespace webrtc { +class VideoFrame; +} + +namespace mozilla { +class ShmemBuffer; + +// Util methods for working with webrtc::VideoFrame(s) and +// the IPC classes that are used to deliver their contents to the +// MediaEnginge + +class VideoFrameUtils { + public: + // Returns the total number of bytes necessary to copy a VideoFrame's buffer + // across all planes. + static uint32_t TotalRequiredBufferSize(const webrtc::VideoFrame& frame); + + // Initializes a camera::VideoFrameProperties from a VideoFrameBuffer + static void InitFrameBufferProperties( + const webrtc::VideoFrame& aVideoFrame, + camera::VideoFrameProperties& aDestProperties); + + // Copies the buffers out of a VideoFrameBuffer into a buffer. + // Attempts to make as few memcopies as possible. + static void CopyVideoFrameBuffers(uint8_t* aDestBuffer, + const size_t aDestBufferSize, + const webrtc::VideoFrame& aVideoFrame); + + // Copies the buffers in a VideoFrameBuffer into a Shmem + // returns the eno from the underlying memcpy. + static void CopyVideoFrameBuffers(ShmemBuffer& aDestShmem, + const webrtc::VideoFrame& aVideoFrame); +}; + +} /* namespace mozilla */ + +#endif -- cgit v1.2.3